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Article #98949

Re: Two Emacs problems on Apollos

#98949
From: Harald Hanche-Olsen
Date: Tue, 15 Jan 1991 04:35
32 lines
2084 bytes
In article <2227@tuvie.UUCP> tuvie!mike@relay.eu.net (Michael K. Gschwind) writes:

   I'm having some problems running emacs 18.55 on DomainOS 10.2 systems (using
   the version patched by Leonard N. Zubkoff for Apollos).

   When running shells, compilation jobs et al. I sometimes get ^@ characters
   in the emacs buffer. (C-x ` will fail as a result.) Has anybody else witnessed
   this problem? Any hints will be appreciated.

I have seen this too, and it is indeed very annoying.  I am 99% sure
it is a problem with the pseudo ttys (ptys among friends).  Emacs uses
ptys for all its communications with other porcesses.  It should
help if you rebuild the ptys, something which unfortunately requires
root privileges and also has funny consequences for anybody logged in
at those ptys when they get rebuilt.  We rebuild ours at 04:00 every
Sunday morning (not too many people logged in then), using the
following shell script:

#!/bin/csh -f
/bin/rm -f /dev/[pt]ty[pq][0-9a-f]
/etc/crpty 32

and then the problem does not appear too often.  I guess I ought to
have sent in an APR on it, but I am not sure exactly under what
circumstances the ptys get corrupted.

Sorry, I can't help you with your other problem.

- Harald Hanche-Olsen <hanche@imf.unit.no>
  Division of Mathematical Sciences
  The Norwegian Institute of Technology
  N-7034 Trondheim, NORWAY
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From: hanche@imf.unit.no (Harald Hanche-Olsen)
Newsgroups: gnu.emacs.bug
Subject: Re: Two Emacs problems on Apollos
Message-ID: <HANCHE.91Jan14233549@hufsa.imf.unit.no>
Date: 15 Jan 91 04:35:49 GMT
Sender: daemon@tut.cis.ohio-state.edu
Followup-To: comp.sys.apollo
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Organization: The Norwegian Institute of Technology, Trondheim, Norway.
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